Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a set of M coins. The video game costs W JDs. Find the number of ways in which they can pay exactly W JDs such that the diff…

A - Coins Time Limit:3000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Description standard input/output Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a…

A. Coins 题目链接:http://codeforces.com/gym/101102/problem/A time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Hasan and Bahosain want to buy a new video game, they want to share the expenses. H…

01背包变形,注意dp过程的时候就需要取膜,否则会出错. 代码如下: #include<iostream> #include<cstdio> #include<cstring> using namespace std; #define MAXW 15005 #define N 155 #define LL long long #define MOD 1000000007 int w1[N],w2[N]; LL dp1[MAXW],dp2[MAXW]; int main(…

解题心得: 1.其实此题有两种做法,动态规划,母函数.个人更喜欢使用动态规划来做,也可以直接套母函数的模板 Square Coins Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 12191    Accepted Submission(s): 8352 Problem Description People in Silverland…

划分型动态规划: 513. Perfect Squares https://www.lintcode.com/problem/perfect-squares/description?_from=ladder&&fromId=16 public class Solution { /** * @param n: a positive integer * @return: An integer */ public int numSquares(int n) { // write your cod…

 Gym 101047M Removing coins in Kem Kadrãn Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Practice Description standard input/output Andréh and his friend Andréas are board-game aficionados. They know many of their friend…

传送门 Description Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a set of M coins. The video game costs W JDs. Find the number of ways in which they can pay exactly W JDs su…

问题描述: Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which could accept all kinds of coins as payments. However, there was a special requirement of the paym…

UVA 1394 And Then There Was One / Gym 101415A And Then There Was One / UVAlive 3882 And Then There Was One / POJ 3517 And Then There Was One / Aizu 1275 And Then There Was One (动态规划,思维题) Description Let's play a stone removing game. Initially, n ston…